(19)

(11)

EP 2 627 799 A1

(12)

(43) Date of publication: 21.08.2013 Bulletin 2013/34 (21) Application number: 11773117.4 (22) Date of filing: 11.10.2011

(51) International Patent Classification (IPC):  C25B 1/00(2006.01) C25B 9/08(2006.01) C25B 1/10(2006.01) C25B 9/16(2006.01) (86) International application number: PCT/GB2011/051961 (87) International publication number: WO 2012/049494 (19.04.2012 Gazette 2012/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 14.10.2010 GB 201017421 (71) Applicant: Acal Energy Limited Runcorn Cheshire WA7 4QX (GB)	(72) Inventor: CREETH, Andrew Martin Chester Cheshire CH2 1DF (GB) (74) Representative: Brand, Thomas Louis  WP Thompson 55 Drury Lane London WC2B 5SQ London WC2B 5SQ (GB)